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1. 发明专利

JP2012217780A Method and apparatus for segmenting medical image data 审中-公开
标题翻译：用于分割医学图像数据的方法和装置
公开(公告)号：JP2012217780A
公开(公告)日：2012-11-12
申请号：JP2011089860
申请日：2011-04-14
申请人： Tomtec Imaging Systems Gmbh , トムテックイマジングシステムズゲゼルシャフトミットべシュレンクテルハフツンク
发明人： SCHUMMERS GEORG
IPC分类号： A61B8/08 , A61B8/12 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for automatically segmenting an object, particularly the non-flat surface of a hear valve.SOLUTION: The present invention is related to the method and the apparatus including stages of: detecting a surface boundary 2 deciding a boundary of the non-flat surface 4 of the object 1; creating a model surface 5a spreading inside the surface boundary 2; correcting the model surface 5a until a corrected model surface 5b is generated by distance information 8 including information related to a distance between the model surface 5a and the non-flat surface 4 of the object 1; and drawing the corrected model surface 5b. Preferably, the correction of the model surface 5a is executed by directing three-dimensional volume rendering of the object 1 to a direction substantially perpendicular to the model surface 5a by use of a three-dimensional or four-dimensional image data set. Thereby, the information related to the distance between the model surface 5a and the non-flat surface 4 of the object 1 can be evaluated until the corrected model surface 5b is generated.
摘要翻译：要解决的问题：提供一种用于自动分割物体，特别是听筒阀的非平坦表面的方法和装置。解决方案：本发明涉及包括以下步骤的方法和装置：检测确定对象1的非平坦表面4的边界的表面边界2; 产生在表面边界2内扩散的模型表面5a; 校正模型表面5a直到通过距离信息8产生校正模型表面5b，该距离信息8包括与模型表面5a和对象1的非平坦表面4之间的距离相关的信息; 并绘制校正后的模型表面5b。优选地，通过使用三维或四维图像数据集，将对象1的三维体绘制指向基本上垂直于模型表面5a的方向来执行模型表面5a的校正。因此，可以评估与对象1的模型表面5a和非平坦表面4之间的距离相关的信息，直到产生校正的模型表面5b。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012217747A Method and apparatus for segmenting medical image data 有权
标题翻译：用于分割医学图像数据的方法和装置
公开(公告)号：JP2012217747A
公开(公告)日：2012-11-12
申请号：JP2011088923
申请日：2011-04-13
申请人： Tomtec Imaging Systems Gmbh , トムテックイマジングシステムズゲゼルシャフトミットべシュレンクテルハフツンク
发明人： SCHUMMERS GEORG
IPC分类号： A61B5/055 , A61B6/03 , A61B8/12
摘要： PROBLEM TO BE SOLVED: To automatically segment a medical image of an object, particularly the non-flat surface of a heart valve.SOLUTION: The present invention is related to a method and an apparatus each including stages of: detecting a surface boundary 2 deciding a boundary of the non-flat surface 4 of the object 1; creating a model surface 5a spreading inside the surface boundary 2; correcting the model surface 5a until a corrected model surface 5b is generated by distance information 8 including information related to a distance between the model surface 5a and the non-flat surface 4 of the object 1; and drawing the corrected model surface 5b. Preferably, the correction of the model surface 5a is executed by directing three-dimensional volume rendering of the object 1 to a direction substantially perpendicular to the model surface 5a by use of a three-dimensional or four-dimensional image data set. Thereby, the information related to the distance between the model surface 5a and the non-flat surface 4 of the object 1 can be evaluated until the corrected model surface 5b is generated.
摘要翻译：要解决的问题：自动分割物体的医学图像，特别是心脏瓣膜的非平坦表面。解决方案：本发明涉及一种方法和装置，其各自包括以下步骤：检测确定对象1的非平坦表面4的边界的表面边界2; 产生在表面边界2内扩散的模型表面5a; 校正模型表面5a直到通过距离信息8产生校正模型表面5b，该距离信息8包括与模型表面5a和对象1的非平坦表面4之间的距离相关的信息; 并绘制校正后的模型表面5b。优选地，通过使用三维或四维图像数据集，将对象1的三维体绘制指向基本上垂直于模型表面5a的方向来执行模型表面5a的校正。因此，可以评估与对象1的模型表面5a和非平坦表面4之间的距离相关的信息，直到产生校正的模型表面5b。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012221395A Method and device for visualizing surface-like structures in volume data sets 审中-公开
标题翻译：用于在体数据集中可视化表面结构的方法和装置
公开(公告)号：JP2012221395A
公开(公告)日：2012-11-12
申请号：JP2011088910
申请日：2011-04-13
申请人： Tomtec Imaging Systems Gmbh , トムテックイマジングシステムズゲゼルシャフトミットべシュレンクテルハフツンク
发明人： STEFAN BRABEC
IPC分类号： G06T15/08 , A61B8/00
摘要： PROBLEM TO BE SOLVED: To provide a method and device for visualizing surface-like structure in volume data sets that are not provided in a Cartesian coordinate system, thereby, allowing use of a known illumination model or a shading model.SOLUTION: The method includes the steps of: defining local coordinate systems at sample points of a volume data set; transforming external parameters from a global coordinate system into the local coordinate systems; calculating gradient vector components within the local coordinate systems of the sample points; and using the gradient vector components for calculating a surface normal at a given position of the volume data set. Also, effectively, the external parameters from the global coordinate system (GCS) at the given position is calculated by using the transformed external parameters of the local coordinate systems of the samples.
摘要翻译：要解决的问题：提供一种用于可视化在笛卡尔坐标系中未提供的体数据集中的表面状结构的方法和装置，从而允许使用已知的照明模型或阴影模型。解决方案：该方法包括以下步骤：在体数据集的采样点定义局部坐标系; 将外部参数从全局坐标系转换为局部坐标系; 计算采样点的局部坐标系中的梯度向量分量; 并且使用梯度矢量分量来计算体积数据集的给定位置处的表面法线。此外，有效地，通过使用样本的局部坐标系的变换的外部参数来计算来自给定位置处的全局坐标系（GCS）的外部参数。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012221448A Method and device for visualizing surface-like structures in volume data sets 审中-公开
标题翻译：用于在体数据集中可视化表面结构的方法和装置
公开(公告)号：JP2012221448A
公开(公告)日：2012-11-12
申请号：JP2011089858
申请日：2011-04-14
申请人： Tomtec Imaging Systems Gmbh , トムテックイマジングシステムズゲゼルシャフトミットべシュレンクテルハフツンク
发明人： STEFAN BRABEC
IPC分类号： G06T15/08 , A61B6/03 , A61B8/00
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for visualizing surface-like structure in volume data sets.SOLUTION: The method includes the steps of: defining local coordinate systems LCSi at sample points P of a volume data set; transforming external parameters from a global coordinate system GCS into the local coordinate systems LCSi; calculating gradient vector components Gai, Gbi, Gci within the local coordinate systems LCSi of the sample points Pi; and using the gradient vector components Gai, Gbi, Gci for calculating a surface normal N at a given position Q of the volume data set. The external parameters from the global coordinate system GCS at the given position Q is calculated by using the transformed external parameters of the local coordinate systems LCSi of the sample points Pi, and shading or illumination at the given position Q is then performed by using the calculated surface normal N at the given position Q and the calculated external parameters at the given position Q.
摘要翻译：要解决的问题：提供用于在体数据集中可视化表面状结构的方法和装置。解决方案：该方法包括以下步骤：定义体数据集的采样点P处的局部坐标系LCSi; 将外部参数从全局坐标系GCS转换为局部坐标系LCSi; 计算采样点Pi的局部坐标系LCSi内的梯度矢量分量Gai，Gbi，Gci; 并使用梯度矢量分量Gai，Gbi，Gci计算体积数据集的给定位置Q处的表面法线N. 通过使用采样点Pi的局部坐标系LCSi的变换的外部参数来计算来自给定位置Q处的全局坐标系GCS的外部参数，并且通过使用计算出的给定位置Q处的表面正常N和给定位置Q处的计算外部参数。版权所有：（C）2013，JPO＆INPIT

5. 发明授权

US10922861B2 Method and apparatus for correcting dynamic models obtained by tracking methods 有权
公开(公告)号：US10922861B2
公开(公告)日：2021-02-16
申请号：US16335757
申请日：2017-09-21
申请人： TOMTEC IMAGING SYSTEMS GMBH
发明人： Marcus Schreckenberg , Alexander Rossmanith , Daniel Stapf
IPC分类号： G06T11/20 , G06T7/00 , G06T19/20 , G06T3/20 , G06T3/40 , G06T3/60 , G06T7/20 , G06T11/60
摘要： The invention relates to a method and an apparatus for correcting dynamic models (4) of moving structures (2), said dynamic models being obtained by tracking methods. The method comprises the following steps: (a) providing a time series of images (B) of the moving structure (2) recorded successively in time; (b) providing a dynamic model (4) of the structure (2), said dynamic model being obtained by a tracking method; (c) determining a position time section (h) in the images (B); (d) providing a position-time representation (6) over time of the optionally interpolated image values of the position time section (h) in the images, combined with a representation of the dynamic model (4) as at least one computer graphical object (10); (e) comparing the computer graphical object (10) with the surrounding image content (8), in particular by a user, and (f) correcting the dynamic model (4) by editing the at least one computer graphical object (10), in particular by a user.

6. 发明申请

US20170186129A1 METHOD AND SYSTEM FOR REVIEWING MEDICAL STUDY DATA 审中-公开
公开(公告)号：US20170186129A1
公开(公告)日：2017-06-29
申请号：US14982329
申请日：2015-12-29
申请人： TomTec Imaging Systems GmbH
发明人： Stefan Brabec
IPC分类号： G06T1/20 , G09G5/00 , G06T1/00 , G06F19/00 , G06T1/60
CPC分类号： G06F19/321 , G06F19/00 , G06F19/324
摘要： There is described a method and a system including a viewing application running on a user's device configured to create a user interface including a drawable region on the user's device, a server environment including a coordinator engine to receive requests for review sessions from the viewing application, and a review helper process, allocated to each review session by the coordinator engine. The helper process retrieves medical study data from a data storage and transfers a stream of drawing commands to the viewing application. At least part of the drawing commands are cached on the user's device, so that the helper will not transfer the cached drawing commands again, and/or will transfer a drawing command relating only to a difference between one frame and the next.

7. 发明申请

US20150335308A1 METHOD FOR ANALYSIS AND DISPLAY OF BLOOD FLOW INFORMATION 审中-公开
标题翻译：血流信息分析与显示方法
公开(公告)号：US20150335308A1
公开(公告)日：2015-11-26
申请号：US14614953
申请日：2015-02-05
申请人： TOMTEC IMAGING SYSTEMS GMBH , AMID S.R.L.
发明人： Gianni Pedrizzetti , Giovanni Tonti
IPC分类号： A61B8/06 , A61B8/08
CPC分类号： A61B8/5207 , A61B5/0402 , A61B5/055 , A61B5/7425 , A61B8/06 , A61B8/0883 , A61B8/14 , A61B8/461 , A61B8/463 , A61B8/481 , A61B8/483 , A61B8/488 , A61B8/5223 , A61B8/5284 , G06T7/269 , G06T2207/10016 , G06T2207/10136 , G06T2207/30104
摘要： A method and a device for analysis and display of blood flow information in the human or animal body are described. The method includes the following steps: a) providing a digital input data set including a time series of two or three dimensional velocity vector fields, wherein each velocity vector field represents the velocity of the blood flow within a blood vessel, especially of a heart chamber or part thereof, of a certain human or animal body within a certain time frame within one heart cycle, b) calculating a gradient vector field for each time frames from the time series of velocity vector fields; c) summing the gradients over the gradient vector field or a part thereof for each time frame to a summed gradient; and d) displaying and/or analyzing the summed gradients with reference to their space directions within the blood vessel.
摘要翻译：描述用于分析和显示人或动物体内的血流信息的方法和装置。该方法包括以下步骤：a）提供包括二维或三维速度矢量场的时间序列的数字输入数据集，其中每个速度矢量场表示血管内，特别是心室的血流速度或其一部分，在一个心脏周期内的某个时间范围内的某个人或动物体; b）从速度矢量场的时间序列计算每个时间帧的梯度矢量场; c）将每个时间帧上的梯度矢量场或其一部分上的梯度求和到相加的梯度; 以及d）参照其在血管内的空间方向显示和/或分析总和梯度。

8. 发明授权

US10383600B2 Method for analysis and display of blood flow information 有权
公开(公告)号：US10383600B2
公开(公告)日：2019-08-20
申请号：US14614953
申请日：2015-02-05
申请人： TOMTEC IMAGING SYSTEMS GMBH , AMID S.R.L.
发明人： Gianni Pedrizzetti , Giovanni Tonti
IPC分类号： A61B8/08 , A61B8/06 , A61B8/14 , A61B5/0402 , A61B8/00 , G06T7/269 , A61B5/055 , A61B5/00
摘要： A method and a device for analysis and display of blood flow information in the human or animal body are described. The method includes the following steps: a) providing a digital input data set including a time series of two or three dimensional velocity vector fields, wherein each velocity vector field represents the velocity of the blood flow within a blood vessel, especially of a heart chamber or part thereof, of a certain human or animal body within a certain time frame within one heart cycle, b) calculating a gradient vector field for each time frames from the time series of velocity vector fields; c) summing the gradients over the gradient vector field or a part thereof for each time frame to a summed gradient; and d) displaying and/or analyzing the summed gradients with reference to their space directions within the blood vessel.

9. 发明申请

US20190251724A1 METHOD AND APPARATUS FOR CORRECTING DYNAMIC MODELS OBTAINED BY TRACKING METHODS 审中-公开
公开(公告)号：US20190251724A1
公开(公告)日：2019-08-15
申请号：US16335757
申请日：2017-09-21
申请人： TOMTEC IMAGING SYSTEMS GMBH
发明人： Marcus Schreckenberg , Alexander Rossmanith , Daniel Stapf
IPC分类号： G06T11/60 , G06T7/20 , G06T3/20 , G06T3/60 , G06T3/40
CPC分类号： G06T11/60 , G06T3/20 , G06T3/40 , G06T3/60 , G06T7/0012 , G06T7/20 , G06T19/20 , G06T2200/24 , G06T2207/10016 , G06T2207/10132 , G06T2207/20092 , G06T2207/30048
摘要： The invention relates to a method and an apparatus for correcting dynamic models (4) of moving structures (2), said dynamic models being obtained by tracking methods. The method comprises the following steps: (a) providing a time series of images (B) of the moving structure (2) recorded successively in time; (b) providing a dynamic model (4) of the structure (2), said dynamic model being obtained by a tracking method; (c) determining a position time section (h) in the images (B); (d) providing a position-time representation (6) over time of the optionally interpolated image values of the position time section (h) in the images, combined with a representation of the dynamic model (4) as at least one computer graphical object (10); (e) comparing the computer graphical object (10) with the surrounding image content (8), in particular by a user, and (f) correcting the dynamic model (4) by editing the at least one computer graphical object (10), in particular by a user.

10. 发明授权

US10296713B2 Method and system for reviewing medical study data 有权
公开(公告)号：US10296713B2
公开(公告)日：2019-05-21
申请号：US14982329
申请日：2015-12-29
申请人： TomTec Imaging Systems GmbH
发明人： Stefan Brabec
IPC分类号： G06F19/00
摘要： There is described a method and a system including a viewing application running on a user's device configured to create a user interface including a drawable region on the user's device, a server environment including a coordinator engine to receive requests for review sessions from the viewing application, and a review helper process, allocated to each review session by the coordinator engine. The helper process retrieves medical study data from a data storage and transfers a stream of drawing commands to the viewing application. At least part of the drawing commands are cached on the user's device, so that the helper will not transfer the cached drawing commands again, and/or will transfer a drawing command relating only to a difference between one frame and the next.

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